Alert archive / Wisconsin / Tornado Warnings in 2017

Tornado Warning 6, NWS La Crosse, WI

May 17, 2017Jackson County, Wisconsin

NWS La Crosse, WI issued this tornado warning at May 17, 2017, 5:31 PM CDT for Jackson County, Wisconsin. It was in force for 24 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 17, 2017, 5:31 PM CDT (22:31 UTC)
Expired
May 17, 2017, 5:55 PM CDT
In force
24 min
Issued by
NWS La Crosse, WI
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Jackson County, WI

The radar

The La Crosse radar (KARX), 54 km from the middle of the area, began a volume at 22:35 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
May 17, 5:47 PM CDTTSTM WND DMG2 N Black River Falls, WIMANY TREES DOWN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 17, 3:13 PM CDTTornado WatchSPC9 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.5 hours before the alert went out and 220 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Green Bay/Straub, WI at 12:00Z on 2017-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 12:00Z on 2017-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1435 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
81 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

810 
WFUS53 KARX 172231
TORARX
WIC053-172315-
/O.NEW.KARX.TO.W.0006.170517T2231Z-170517T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service La Crosse WI
531 PM CDT WED MAY 17 2017

The National Weather Service in La Crosse has issued a

* Tornado Warning for...
  Central Jackson County in west central Wisconsin...

* Until 615 PM CDT
    
* At 531 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near North Bend, or 14 miles southwest of Black River
  Falls, moving northeast at 55 mph.

  HAZARD...Tornado. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* This dangerous storm will be near...
  Black River Falls around 550 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Franklin, Irving, Melrose, City Point and The Black River
Correctional Center.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4410 9113 4413 9115 4420 9115 4442 9070
      4442 9032 4431 9032
TIME...MOT...LOC 2231Z 229DEG 46KT 4419 9109 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

JSB
4 follow-up statements
773 
WWUS53 KARX 172234
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
534 PM CDT WED MAY 17 2017

WIC053-172315-
/O.CON.KARX.TO.W.0006.000000T0000Z-170517T2315Z/
Jackson WI-
534 PM CDT WED MAY 17 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR CENTRAL
JACKSON COUNTY...
    
At 534 PM CDT, a severe thunderstorm capable of producing a tornado
was located 8 miles north of North Bend, or 12 miles southwest of
Black River Falls, moving northeast at 55 mph.

HAZARD...Tornado. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This dangerous storm will be near...
  Black River Falls around 550 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Franklin, Irving, Melrose, City Point and The Black River
Correctional Center.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4410 9113 4413 9115 4420 9115 4442 9070
      4442 9032 4431 9032
TIME...MOT...LOC 2234Z 229DEG 46KT 4421 9106 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

JSB
159 
WWUS53 KARX 172237
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
537 PM CDT WED MAY 17 2017

WIC053-172315-
/O.CON.KARX.TO.W.0006.000000T0000Z-170517T2315Z/
Jackson WI-
537 PM CDT WED MAY 17 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR CENTRAL
JACKSON COUNTY...
    
At 537 PM CDT, a severe thunderstorm capable of producing a tornado
was located 9 miles southwest of Black River Falls, moving northeast
at 55 mph.

HAZARD...Tornado. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This dangerous storm will be near...
  Black River Falls around 550 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Irving, Melrose, City Point, The Black River Correctional Center and
Potters Flowage.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4413 9101 4422 9111 4442 9070 4442 9032
      4431 9032
TIME...MOT...LOC 2237Z 229DEG 46KT 4424 9101 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

JSB
382 
WWUS53 KARX 172243
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
543 PM CDT WED MAY 17 2017

WIC053-172315-
/O.CON.KARX.TO.W.0006.000000T0000Z-170517T2315Z/
Jackson WI-
543 PM CDT WED MAY 17 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR CENTRAL
JACKSON COUNTY...
    
At 543 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Black River Falls, moving northeast at 50 mph.

HAZARD...Tornado. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This dangerous storm will be near...
  Black River Falls around 555 PM CDT. 

Other locations impacted by this tornadic thunderstorm include City
Point, The Black River Correctional Center, Potters Flowage,
Vaudreuil and Perry Creek Recreation Area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 4418 9100 4423 9108 4442 9070 4442 9032
      4431 9032
TIME...MOT...LOC 2243Z 241DEG 42KT 4426 9097 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

JSB
385 
WWUS53 KARX 172255
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
555 PM CDT WED MAY 17 2017

WIC053-172305-
/O.CAN.KARX.TO.W.0006.000000T0000Z-170517T2315Z/
Jackson WI-
555 PM CDT WED MAY 17 2017

...THE TORNADO WARNING FOR CENTRAL JACKSON COUNTY IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning has been cancelled.

A tornado watch remains in effect until 1100 PM CDT for west central
Wisconsin.

Remember, a Severe Thunderstorm Warning still remains in effect for
Jackson County.

LAT...LON 4418 9100 4423 9108 4442 9070 4442 9032
      4431 9032
TIME...MOT...LOC 2252Z 229DEG 46KT 4436 9081 

$$

JSB

The office that day

Everything else NWS La Crosse, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 16, 7:16 PM CDTSevere Thunderstorm WarningARXBuffalo44 min
May 16, 7:47 PM CDTSevere Thunderstorm WarningARXTrempealeau28 min
May 16, 8:38 PM CDTSevere Thunderstorm WarningARXBuffalo, Trempealeau52 min
May 16, 8:47 PM CDTSevere Thunderstorm WarningARXClark, Taylor28 min
May 16, 8:53 PM CDTSevere Thunderstorm WarningARXBuffalo52 min
May 16, 9:33 PM CDTSevere Thunderstorm WarningARXBuffalo, Trempealeau72 min
May 16, 9:44 PM CDTFlash Flood WarningARXBuffalo, Trempealeau4 hr
May 16, 9:57 PM CDTSevere Thunderstorm WarningARXClark, Jackson93 min
May 16, 11:07 PM CDTRiver Flood WarningARXBuffalo, Trempealeau9 days
May 17, 12:04 AM CDTFlash Flood WarningARXBuffalo, Jackson, Trempealeau116 min
May 17, 12:08 AM CDTSevere Thunderstorm WarningARXJackson, La Crosse, Trempealeau37 min
May 17, 1:51 AM CDTAreal Flood WarningARXBuffalo, Jackson, Trempealeau6 hr
May 17, 7:03 AM CDTAreal Flood WarningARXBuffalo, Jackson, Trempealeau39 hr
May 17, 9:22 AM CDTRiver Flood WarningARXJackson4 days
May 17, 9:22 AM CDTRiver Flood WarningARXLa Crosse, Trempealeau5 days
May 17, 9:28 AM CDTRiver Flood WarningARXBuffalo, Trempealeau66 hr
May 17, 12:09 PM CDTSpecial Weather StatementARXLa Crosse, Trempealeau51 min
May 17, 12:54 PM CDTSpecial Weather StatementARXClark, Jackson, Trempealeau51 min
May 17, 1:20 PM CDTSpecial Weather StatementARXClark25 min
May 17, 1:42 PM CDTSpecial Weather StatementARXClark63 min
May 17, 2:16 PM CDTSpecial Weather StatementARXTaylor29 min
May 17, 2:48 PM CDTSpecial Weather StatementARXAdams, Juneau27 min
May 17, 4:22 PM CDTSevere Thunderstorm WarningARXCrawford38 min
May 17, 4:29 PM CDTSevere Thunderstorm WarningARXBuffalo46 min
May 17, 4:41 PM CDTSevere Thunderstorm WarningARXLa Crosse, Trempealeau49 min
May 17, 4:53 PM CDTSevere Thunderstorm WarningARXVernon38 min
May 17, 5:06 PM CDTSevere Thunderstorm WarningARXCrawford, Grant, Richland, Vernon39 min
May 17, 5:09 PM CDTTornado WarningARXLa Crosse20 min
May 17, 5:17 PM CDTAreal Flood AdvisoryARXLa Crosse58 min
May 17, 5:24 PM CDTSevere Thunderstorm WarningARXLa Crosse, Monroe51 min
May 17, 5:26 PM CDTSevere Thunderstorm WarningARXJackson, La Crosse, Monroe, Trempealeau49 min
May 17, 5:43 PM CDTSevere Thunderstorm WarningARXRichland, Vernon33 min
May 17, 5:46 PM CDTTornado WarningARXRichland, Vernon17 min
May 17, 5:52 PM CDTSevere Thunderstorm WarningARXClark, Jackson38 min
May 17, 5:55 PM CDTSevere Thunderstorm WarningARXJackson, Juneau, Monroe65 min
May 17, 6:04 PM CDTTornado WarningARXClark, Jackson23 min
May 17, 6:07 PM CDTTornado WarningARXJackson, Juneau, Monroe16 min
May 17, 6:26 PM CDTSevere Thunderstorm WarningARXAdams34 min
May 17, 6:29 PM CDTSevere Thunderstorm WarningARXClark31 min
May 17, 6:39 PM CDTSevere Thunderstorm WarningARXClark, Taylor66 min
May 17, 6:56 PM CDTSevere Thunderstorm WarningARXAdams14 min

Nearby

Tornado Warnings in Wisconsin, 2017Every tornado warning in 2017Tornadoes in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.